Finding the Fourth Proportional to 275,296,829.36, 379,919,649.60 and 149,842,966.41
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Solution
The fourth proportional to 275,296,829.36, 379,919,649.60 and 149,842,966.41 is: 206,788,750.26
Step by Step Solution
- Step 1: Write the proportion equation
275,296,829.36 : 379,919,649.60 = 149,842,966.41 : x - Step 2: Convert to fraction form
275,296,829.36/379,919,649.60 = 149,842,966.41/x - Step 3: Cross multiply
275,296,829.36x = 379,919,649.60 × 149,842,966.41 - Step 4: Simplify right side
275,296,829.36x = 56,928,287,293,511,776 - Step 5: Solve for x
x = 56,928,287,293,511,776/275,296,829.36 - Step 6: Final answer
x = 206,788,750.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.